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Rezolvati ecuatia : 4x(a+1)-2=26

Răspuns :

4 * (a + 1 ) - 2 = 26
4a + 4 - 2 = 26
4a +2 = 26
4a = 26 - 2
4a = 24
a = 24 supra 4
a= 6
4x(a+1)-2=26
4x(a+1)=26+2
4x(a+1)=28
a+1=28:4
a+1=7
a=7-1
a=6